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Rev Bras Anestesiol. 2015 May-Jun;65(3):217-21. doi: 10.1016/j.bjan.2014.06.001. Epub 2014 Sep 28.

[Influence of different body positions in vital capacity in patients on postoperative upper abdominal].

Revista brasileira de anestesiologia

[Article in Portuguese]
Bruno Prata Martinez, Joilma Ribeiro Silva, Vanessa Salgado Silva, Mansueto Gomes Neto, Luiz Alberto Forgiarini Júnior

Affiliations

  1. Hospital Aliança, Salvador, BA, Brasil; Escola Baiana de Medicina e Saúde Pública (EBMSP), Salvador, BA, Brasil; Faculdade Social da Bahia (FSBA), Salvador, BA, Brasil.
  2. Faculdade Social da Bahia (FSBA), Salvador, BA, Brasil.
  3. Faculdade Social da Bahia (FSBA), Salvador, BA, Brasil; Universidade Federal da Bahia (UFBA), Salvador, BA, Brasil.
  4. Universidade Federal da Bahia (UFBA), Salvador, BA, Brasil.
  5. Centro Universitário Metodista (IPA), Programa de Pós-graduação em Reabilitação e Inclusão, e, Biociências e Reabilitação, Porto Alegre, RS, Brasil; Laboratório de Vias Aéreas e Pulmão do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil. Electronic address: [email protected].

PMID: 25990497 DOI: 10.1016/j.bjan.2014.06.001

Abstract

RATIONALE: The changes in body position can cause changes in lung function, it is necessary to understand them, especially in the postoperative upper abdominal surgery, since these patients are susceptible to postoperative pulmonary complications.

OBJECTIVE: To assess the vital capacity in the supine position (head at 0° and 45°), sitting and standing positions in patients in the postoperative upper abdominal surgery.

METHODS: A cross-sectional study conducted between August 2008 and January 2009 in a hospital in Salvador/BA. The instrument used to measure vital capacity (VC) was analogic spirometer, the choice of the sequence of positions followed a random order obtained from the draw of the four positions. Secondary data were collected from the medical records of each patient.

RESULTS: The sample consisted of 30 subjects with a mean age of 45.2±11.2 years, BMI 20.2±1.0 kg/m(2). The position on orthostasis showed higher values of CV regarding standing (mean change: 0.15±0.03 liters; p=0.001), the supine to 45 (average difference: 0.32±0.04 liters; p=0.001) and 0° (0.50±0.05 liters; p=0.001). There was a positive trend between the values of FVC supine to upright posture (1.68±0.47; 1.86±0.48; 2.02±0.48 and 2.18±0.52 liters; respectively).

CONCLUSION: Body position affects the values of CV in patients in the postoperative upper abdominal surgery, increasing in postures where the chest is vertical.

Copyright © 2014 Sociedade Brasileira de Anestesiologia. Publicado por Elsevier Editora Ltda. All rights reserved.

Keywords: Abdominal surgery; Capacidade vital forçada; Cirurgia abdominal; Complicações pós‐operatórias; Forced vital capacity; Posicionamento do paciente; Positioning the patient; Postoperative complications

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